Re: [PATCH i-g-t 0/8] dmem: add amdgpu support and one more test

[Thadeu Lima de Souza Cascardo <cascardo@igalia.com>]

On Tue, May 12, 2026 at 06:51:47PM -0300, Thadeu Lima de Souza Cascardo wrote:
> This work builds on top of Thomas Hellström's patches at [1].
> 
> Besides the case of eviction when setting dmem.max, which still needs
> support from [2], there are other cases for testing dmem behavior and

It was pointed out that I missed the link here. And here it is.

[2] https://lore.kernel.org/dri-devel/20260512082406.44470-1-thomas.hellstrom@linux.intel.com/

> potential regressions. Thomas' patches lay over the groundwork for this,
> while this patchset addes one basic test of checking current usage and that
> drivers respect max setting when no eviction is taking place yet.
> 
> This patchset also introduces a driver layer such that the same tests can
> work with different drivers. amdgpu support is here added too.
> 
> [1] https://patchwork.freedesktop.org/series/163935/
> 
> Thadeu Lima de Souza Cascardo (8):
>   Introduce dmem driver and implement Xe support
>   Adjust xe_cgroups test to use igt_dmem_driver
>   Make xe_cgroup test a generic test
>   amdgpu: add amdgpu_cgroup_region_name
>   igt_dmem_driver: add amdgpu support
>   dmem: add test for current/max
>   dmem: only check for dmem availability once
>   dmem: get region once per driver
> 
>  lib/amdgpu/amd_dmem.c    |  94 ++++++++++
>  lib/amdgpu/amd_memory.c  |  25 +++
>  lib/amdgpu/amd_memory.h  |   2 +
>  lib/igt_dmem_driver.h    |  25 +++
>  lib/meson.build          |   2 +
>  lib/xe/xe_dmem.c         | 145 +++++++++++++++
>  tests/drv_dmem_cgroups.c | 390 +++++++++++++++++++++++++++++++++++++++
>  tests/intel/xe_cgroups.c | 296 -----------------------------
>  tests/meson.build        |   2 +-
>  9 files changed, 684 insertions(+), 297 deletions(-)
>  create mode 100644 lib/amdgpu/amd_dmem.c
>  create mode 100644 lib/igt_dmem_driver.h
>  create mode 100644 lib/xe/xe_dmem.c
>  create mode 100644 tests/drv_dmem_cgroups.c
>  delete mode 100644 tests/intel/xe_cgroups.c
> 
> -- 
> 2.47.3
>